Type: Domestic mineral, Nishiki-koseki from Sado. This is a raw stone (shoshin-seki) that is currently difficult to obtain. The base is made of clay and can be removed. #Red Ball Stone #Suiseki #Red Stone Height: Approximately 90mm, Width: Approximately 82mm, Depth: Approximately 55mm, Weight: Approximately 450g (stone only) The color changes to the polished color when water is applied. Water basin and sand are not included. Sado Nishiki-koseki is characterized by its beautiful color, which is mainly red. However, this stone has a cool pattern with white lines on a black background.